body {
    background-repeat: repeat-x,repeat;
    font-family: Arial, Helvetica, sans-serif;
}
#header {
    height: 200px;
    margin-left: 10px;
    background-attachment: scroll;
}
#login {
    height: 250px;
    width: 500px;
    margin-top: 15px;
    margin-right: auto;
    margin-left: auto;
    border: 1px solid #415173;
    background-color: #FFF;
}
#campos {
    width: 80%;
    margin-top: 20px;
    margin-right: auto;
    margin-left: auto;
}

#empresa_firma{
    font-size: 10px;
    font-family: sans-serif;
}